161403840

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:521

約数の個数: 280

約数和(自身を含む): 619597440

約数和(自身を除く): 458193600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 324, 351, 360, 390, 405, 416, 432, 468, 479, 480, 520, 540, 576, 585, 624, 648, 702, 720, 780, 810, 832, 864, 936, 958, 960, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1437, 1440, 1560, 1620, 1728, 1755, 1872, 1916, 2080, 2106, 2160, 2340, 2395, 2496, 2592, 2808, 2874, 2880, 3120, 3240, 3510, 3744, 3832, 4160, 4212, 4311, 4320, 4680, 4790, 5184, 5265, 5616, 5748, 6227, 6240, 6480, 7020, 7185, 7488, 7664, 8424, 8622, 8640, 9360, 9580, 10530, 11232, 11496, 12454, 12480, 12933, 12960, 14040, 14370, 15328, 16848, 17244, 18681, 18720, 19160, 21060, 21555, 22464, 22992, 24908, 25866, 25920, 28080, 28740, 30656, 31135, 33696, 34488, 37362, 37440, 38320, 38799, 42120, 43110, 45984, 49816, 51732, 56043, 56160, 57480, 62270, 64665, 67392, 68976, 74724, 76640, 77598, 84240, 86220, 91968, 93405, 99632, 103464, 112086, 112320, 114960, 124540, 129330, 137952, 149448, 153280, 155196, 168129, 168480, 172440, 186810, 193995, 199264, 206928, 224172, 229920, 249080, 258660, 275904, 280215, 298896, 310392, 336258, 336960, 344880, 373620, 387990, 398528, 413856, 448344, 459840, 498160, 504387, 517320, 560430, 597792, 620784, 672516, 689760, 747240, 775980, 827712, 840645, 896688, 996320, 1008774, 1034640, 1120860, 1195584, 1241568, 1345032, 1379520, 1494480, 1551960, 1681290, 1793376, 1992640, 2017548, 2069280, 2241720, 2483136, 2521935, 2690064, 2988960, 3103920, 3362580, 3586752, 4035096, 4138560, 4483440, 5043870, 5380128, 5977920, 6207840, 6725160, 8070192, 8966880, 10087740, 10760256, 12415680, 13450320, 16140384, 17933760, 20175480, 26900640, 32280768, 40350960, 53801280, 80701920, 161403840]

約数ペア:

[(1, 161403840), (2, 80701920), (3, 53801280), (4, 40350960), (5, 32280768), (6, 26900640), (8, 20175480), (9, 17933760), (10, 16140384), (12, 13450320), (13, 12415680), (15, 10760256), (16, 10087740), (18, 8966880), (20, 8070192), (24, 6725160), (26, 6207840), (27, 5977920), (30, 5380128), (32, 5043870), (36, 4483440), (39, 4138560), (40, 4035096), (45, 3586752), (48, 3362580), (52, 3103920), (54, 2988960), (60, 2690064), (64, 2521935), (65, 2483136), (72, 2241720), (78, 2069280), (80, 2017548), (81, 1992640), (90, 1793376), (96, 1681290), (104, 1551960), (108, 1494480), (117, 1379520), (120, 1345032), (130, 1241568), (135, 1195584), (144, 1120860), (156, 1034640), (160, 1008774), (162, 996320), (180, 896688), (192, 840645), (195, 827712), (208, 775980), (216, 747240), (234, 689760), (240, 672516), (260, 620784), (270, 597792), (288, 560430), (312, 517320), (320, 504387), (324, 498160), (351, 459840), (360, 448344), (390, 413856), (405, 398528), (416, 387990), (432, 373620), (468, 344880), (479, 336960), (480, 336258), (520, 310392), (540, 298896), (576, 280215), (585, 275904), (624, 258660), (648, 249080), (702, 229920), (720, 224172), (780, 206928), (810, 199264), (832, 193995), (864, 186810), (936, 172440), (958, 168480), (960, 168129), (1040, 155196), (1053, 153280), (1080, 149448), (1170, 137952), (1248, 129330), (1296, 124540), (1404, 114960), (1437, 112320), (1440, 112086), (1560, 103464), (1620, 99632), (1728, 93405), (1755, 91968), (1872, 86220), (1916, 84240), (2080, 77598), (2106, 76640), (2160, 74724), (2340, 68976), (2395, 67392), (2496, 64665), (2592, 62270), (2808, 57480), (2874, 56160), (2880, 56043), (3120, 51732), (3240, 49816), (3510, 45984), (3744, 43110), (3832, 42120), (4160, 38799), (4212, 38320), (4311, 37440), (4320, 37362), (4680, 34488), (4790, 33696), (5184, 31135), (5265, 30656), (5616, 28740), (5748, 28080), (6227, 25920), (6240, 25866), (6480, 24908), (7020, 22992), (7185, 22464), (7488, 21555), (7664, 21060), (8424, 19160), (8622, 18720), (8640, 18681), (9360, 17244), (9580, 16848), (10530, 15328), (11232, 14370), (11496, 14040), (12454, 12960), (12480, 12933)]